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WO/2024/088139A1 |
A totem-pole bridgeless circuit. The circuit comprises a slow bridge arm unit (110) and a fast bridge arm unit (120) which are connected in parallel; an alternating-current input unit (130) connected between the midpoint of two switching...
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WO/2024/088121A1 |
Provided in the present application are a power converter and a control method therefor. The power converter comprises an output inductor, an output capacitor, a first current sampling circuit, a first-phase bridge arm, a second-phase br...
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WO/2024/092180A1 |
The disclosure provides a method of operating a system supported by an electric vehicle, EV. The method includes receiving input data from the input. When the input data is indicative of the EV being in a driving status, the method inclu...
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WO/2024/088868A1 |
A method for computing an optimized pulse pattern (20) for an electrical converter (18) is presented. The optimized pulse pattern (20) comprises a series of switching transitions, each switching transition comprising a switching angle (Î...
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WO/2024/090001A1 |
This power conversion device comprises: an upper arm semiconductor element connected to positive electrode wiring; a lower arm semiconductor element connected to negative electrode wiring; first AC wiring that connects the upper arm semi...
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WO/2024/089751A1 |
A high voltage pulse power supply device (10) comprising: capacitors (C1-C4) including an i-th capacitor; full bridge inverters (Inv1-Inv4) including an i-th full bridge inverter connected to the i-th capacitor, the full bridge inverter ...
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WO/2024/090345A1 |
The present invention addresses the problem of reducing size. In a power converter (100), a controller (50) performs a charging control operation for charging a regenerative capacitor (15) as a startup operation, and an inverter control ...
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WO/2024/091083A1 |
The present invention relates to a modular multilevel converter and a power system using same. The modular multilevel converter may comprise: a first converter unit having a leg according to a preset phase, wherein the leg has an upper a...
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WO/2024/090232A1 |
Pull-down resistors (Rdu, Rdv, Rdw) are composed of two voltage dividing resistors which divide voltages between the ground and inter-arm connection points (Nu, Nv, Nw) that are connection points of upper arm elements (61, 62, 63) and lo...
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WO/2024/088990A1 |
A circuit (10) having the following features: a power converter circuit (12) comprising a DC voltage connection with two potential taps (20a, 20b) and one or more phase connections (18a, 18b, 18a', 18b', 18c'); and a controller (25), the...
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WO/2024/087629A1 |
The present application discloses a control method and apparatus for a three-phase power supply conversion circuit, a device, and a storage medium. The method comprises: acquiring respective operating power values of a full-bus load and ...
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WO/2024/082715A1 |
Provided in the present application are a power conversion system and a ripple current suppression method therefor. The power conversion system comprises a controller, M direct-current converter units, a bus capacitor and an inverter uni...
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WO/2024/083123A1 |
Provided are a three-phase Vienna rectification circuit and a design method therefor. The three-phase Vienna rectification circuit comprises a three-phase alternating-current input end, three inductors, three power switch groups, a first...
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WO/2024/084566A1 |
Provided is an electric power converter control device for controlling an electric power converter which executes electric power conversion between a DC power supply and a motor, the electric power converter control device comprising a m...
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WO/2024/082132A1 |
Embodiments of the present invention disclosea device for DC bus capacitor and method thereof, electrical device and storage medium. The device comprising: a resistor, connected in series with a DC bus capacitor of a converter; a braking...
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WO/2024/085384A1 |
The present invention relates to an electric compressor comprising: a motor that generates power; a compression mechanism that receives power from the motor and compresses a refrigerant; an inverter that controls the motor; a connector t...
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WO/2024/085377A1 |
A power supply device is disclosed. This power supply device comprises a PFC circuit and a control circuit for controlling the operation of the PFC circuit. The PFC circuit comprises: a power input unit that receives an AC voltage as an ...
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WO/2024/085177A1 |
This electric power supply device simulates a synchronous generator having a rotating body and controls the frequency of an output voltage, thereby inputting and outputting electric power to and from an electrical power grid, the electri...
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WO/2024/082980A1 |
A chip, a control chip, a switching power supply and a power adapter, which relate to the technical field of electronics, and can ensure precision in detecting a current. The chip comprises: a substrate; a first switch tube manufactured ...
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WO/2024/082066A1 |
A bi-directional power converter is disclosed, the power converter comprising: a low-frequency circuit comprising four low-frequency switches and two DC-link capacitors; a high-frequency circuit comprising two high-frequency switches; an...
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WO/2024/083387A1 |
The invention relates to a method for operating switching elements (24) of an inverter (20) which is electrically coupled to a multiphase alternating voltage (16), wherein the inverter has at least one series circuit (22) which consists ...
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WO/2024/083326A1 |
The invention relates to a busbar arrangement (1) for connecting a first component (2) and a second component (3), the busbar arrangement at least having a plurality of electrical conductors (4) for the electrical transfer of a multiphas...
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WO/2024/083717A1 |
A heat sink comprises first coolant channels and second coolant channels. The first coolant channels comprise first inflow sections and are adapted to guide first coolant flows. The second coolant channels comprise second inflow sections...
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WO/2024/084914A1 |
[Problem] To provide an electric compressor with which it is possible to improve sealing properties when attaching a hermetic plate to an inverter storage part side of a partition wall. [Solution] Hermetic pins 53 are provided from an in...
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WO/2024/082553A1 |
Disclosed are an air conditioner, a power supply circuit thereof and a buck-boost control method therefor. When a switch circuit (110) is connected to a mains supply, if it is detected that a load (20) currently connected to a PFC circui...
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WO/2024/077527A1 |
A nitride-based power converter (300) comprises: an input port (301) having a low-potential terminal and a high-potential terminal; an output port (302) having a low-potential terminal and a high-potential terminal; a transformer (310) h...
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WO/2024/080465A1 |
The present invention relates to an electric compressor comprising: a motor for generating power; a compression mechanism driven by the motor so as to compress a refrigerant; an inverter for controlling the motor; and a connector provide...
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WO/2024/077931A1 |
The present application discloses a buck-boost converter and a power supply system. The converter comprises a controller, a controllable switching transistor, a freewheeling diode and a boost circuit. A first terminal and a second termin...
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WO/2024/077594A1 |
The present disclosure provides a nitride-based AC-DC converter and a system. The converter includes, a transformer, a first switching element, a second switching element, a third switching element, and a fourth switching element. The tr...
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WO/2024/078318A1 |
The present application provides a direct-current conversion circuit and a photovoltaic inverter. The direct-current conversion circuit comprises an RC circuit, and a first direct-current conversion unit and a second direct-current conve...
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WO/2024/077657A1 |
A modular multi-level converter, a converter valve system and a sub-module networking method. Communication optical fibers between sub-modules in a group and valve controllers are simplified, by means of optical switches, from the origin...
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WO/2024/079875A1 |
Provided is a failure sign diagnosable drive device that diagnoses the failure sign of a power device and limits the operation of the power device or excludes the power device to control the driving of a load, thereby preventing a power ...
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WO/2024/078022A1 |
The present application provides a power conversion apparatus and a control method therefor, and a power supply system. The power conversion apparatus comprises a controller and n power conversion modules, wherein n is a positive integer...
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WO/2024/081911A2 |
Described herein are multi-level inverters configured for a wireless power system and methods for such inverters and systems. The inverter includes at least one capacitor and at least one switching leg. Each switching leg including a plu...
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WO/2024/078278A1 |
The present application discloses a magnetic integrated inductor and an inverter. The magnetic integrated inductor comprises: a first winding, a second winding, a third winding, a center column magnetic core, an upper magnetic core, a lo...
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WO/2024/079775A1 |
A electric power converter (1) comprises: transistors (Q11, Q12); a converter control unit (10) that outputs a gate pulse to control the transistors (Q11, Q12); a function safety control unit (20) that turns on and outputs a gate drive p...
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WO/2024/075305A1 |
An electric power conversion device (1000) comprising switching elements (411,421) connected in series as the upper arms and the lower arms, a gate drive circuit (900) which drives the switching elements, a controller (910) which is oper...
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WO/2024/075393A1 |
This electric device comprises electrical components (1, 60), an electrical component support unit (21), and an outside frame (90). An interior space (92) is formed between the electrical component support unit and the outside frame, the...
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WO/2024/075392A1 |
This electrical device comprising an electrical component, an electrical component support, an outer frame, and an inner frame, wherein an internal space is formed between the electrical component support and the inner frame, the electri...
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WO/2024/076471A1 |
A drive system suitable for motors and the like employs bidirectional FETs with active gate current sourcing and sinking to eliminate series diode losses. In one embodiment, the bidirectional FETs have floating field plates that can be d...
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WO/2024/074270A1 |
The invention illustrates and claims a combined earthing and protective device for a voltage and power converter of modular design for converting a primary AC voltage with one or more phases to a secondary voltage. The combined earthing ...
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WO/2024/075442A1 |
A control circuit 30 of the present invention comprises: a zero current detection threshold calculation unit 31 which calculates zero current detection thresholds Vth1, Vth2 on the basis of a first divided voltage VFB obtained by dividin...
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WO/2024/075451A1 |
An MCU (5) detects a first zero cross position (A) of induced voltage generated in an electromagnetic coil (224) of a vibrating-type compressor (20) during a first dead time (DT1) from when an upper-stage transistor (TR21) is turned off ...
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WO/2024/075212A1 |
Provided is a control device in a power conversion device for photovoltaic power generation connected with solar panels at a DC side, wherein the control device comprises: a modulation rate calculation unit which calculates a modulation ...
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WO/2024/075239A1 |
A power supply device according to the embodiment supplies DC power to an electrolytic cell that generates hydrogen through electrolysis. This power supply device comprises: a self-excited power converter including a first output termina...
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WO/2024/076508A1 |
In some embodiments, apparatuses and methods are provided herein useful to maintaining a minimum supplied voltage and/or current to an equipment. In some embodiments, there is provided a power system including at least one shelf includin...
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WO/2024/075798A1 |
This inverter control device controls an inverter that converts a DC current into a three-phase AC current by driving a three-phase inverter circuit and outputs the resulting current to a motor. The inverter control device comprises: a P...
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WO/2024/077248A1 |
An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed ci...
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WO/2024/075403A1 |
In a non-contact power supply system 110, a main power supply device and a sub power supply device are each equipped with a timer counter 25 that counts at a predetermined cycle and generate AC current on the basis of the count value of ...
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WO/2024/069431A1 |
A system comprises: an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a point-of-use controller configured to: detect a fault; determine a fault type of the detected fa...
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